body{
    background: #f2f2f2;
}

header{
    background: #ffffff;
}

.back-off{
    position: relative;
    text-align: center;
    font-size:3.4rem;
    float: left;
}

.head-mid{
    width:100%;
}
.head-mid p{
    font-size:2.6rem;
    text-align:center;
    height:40px;
    line-height:40px;
}
.taocan-contain {
    margin: 1rem 0 .15rem;
    background: #fff;
}
.taocan-contain h4{
    text-align: center;
}
.suborder{
    width:100%;
    bottom:0;
    text-align: center;
    position: fixed;
}
.taocan-contain .attr{
    font-size: 2rem;
}